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Tessellation: implement 'patch' semantics.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24486 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2013-12-12 01:25:37 +00:00
parent a57a78ed9f
commit 116c30b6ed
14 changed files with 311 additions and 221 deletions
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117
glslang/MachineIndependent/ParseHelper.cpp
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@ -1638,41 +1638,6 @@ void TParseContext::globalQualifierCheck(TSourceLoc loc, const TQualifier& quali
return;
}
if (language == EShLangVertex && qualifier.storage == EvqVaryingIn) {
if (publicType.basicType == EbtStruct) {
error(loc, "cannot be a structure or array", GetStorageQualifierString(qualifier.storage), "");
return;
}
if (publicType.arraySizes) {
requireProfile(loc, ~EEsProfile, "vertex input arrays");
profileRequires(loc, ENoProfile, 150, 0, "vertex input arrays");
}
}
if (language == EShLangFragment && qualifier.storage == EvqVaryingOut) {
profileRequires(loc, EEsProfile, 300, 0, "fragment shader output");
if (publicType.basicType == EbtStruct) {
error(loc, "cannot be a structure", GetStorageQualifierString(qualifier.storage), "");
return;
}
}
if (language == EShLangVertex && qualifier.storage == EvqVaryingOut) {
if (publicType.userDef) {
profileRequires(loc, EEsProfile, 300, 0, "vertex-shader struct output");
profileRequires(loc, ~EEsProfile, 150, 0, "vertex-shader struct output");
}
}
if (language == EShLangFragment && qualifier.storage == EvqVaryingIn) {
if (publicType.userDef) {
profileRequires(loc, EEsProfile, 300, 0, "fragment-shader struct input");
profileRequires(loc, ~EEsProfile, 150, 0, "fragment-shader struct input");
}
}
if (publicType.basicType == EbtInt || publicType.basicType == EbtUint || publicType.basicType == EbtDouble) {
profileRequires(loc, EEsProfile, 300, 0, "shader input/output");
if (! qualifier.flat) {
@ -1683,9 +1648,85 @@ void TParseContext::globalQualifierCheck(TSourceLoc loc, const TQualifier& quali
}
}
if (language == EShLangVertex && qualifier.storage == EvqVaryingIn &&
(qualifier.isAuxiliary() || qualifier.isInterpolation() || qualifier.isMemory() || qualifier.invariant))
error(loc, "vertex input cannot be further qualified", "", "");
if (qualifier.patch && qualifier.isInterpolation())
error(loc, "cannot use interpolation qualifiers with patch", "patch", "");
if (qualifier.storage == EvqVaryingIn) {
switch (language) {
case EShLangVertex:
if (publicType.basicType == EbtStruct) {
error(loc, "cannot be a structure or array", GetStorageQualifierString(qualifier.storage), "");
return;
}
if (publicType.arraySizes) {
requireProfile(loc, ~EEsProfile, "vertex input arrays");
profileRequires(loc, ENoProfile, 150, 0, "vertex input arrays");
}
if (qualifier.isAuxiliary() || qualifier.isInterpolation() || qualifier.isMemory() || qualifier.invariant)
error(loc, "vertex input cannot be further qualified", "", "");
break;
case EShLangTessControl:
if (qualifier.patch)
error(loc, "can only use on output in tessellation-control shader", "patch", "");
break;
case EShLangTessEvaluation:
break;
case EShLangGeometry:
break;
case EShLangFragment:
if (publicType.userDef) {
profileRequires(loc, EEsProfile, 300, 0, "fragment-shader struct input");
profileRequires(loc, ~EEsProfile, 150, 0, "fragment-shader struct input");
}
break;
case EShLangCompute:
break;
default:
break;
}
} else {
// qualifier.storage == EvqVaryingOut
switch (language) {
case EShLangVertex:
if (publicType.userDef) {
profileRequires(loc, EEsProfile, 300, 0, "vertex-shader struct output");
profileRequires(loc, ~EEsProfile, 150, 0, "vertex-shader struct output");
}
break;
case EShLangTessControl:
break;
case EShLangTessEvaluation:
if (qualifier.patch)
error(loc, "can only use on input in tessellation-evaluation shader", "patch", "");
break;
case EShLangGeometry:
break;
case EShLangFragment:
profileRequires(loc, EEsProfile, 300, 0, "fragment shader output");
if (publicType.basicType == EbtStruct) {
error(loc, "cannot be a structure", GetStorageQualifierString(qualifier.storage), "");
return;
}
break;
case EShLangCompute:
break;
default:
break;
}
}
}
//